/**
 * Layout: Sidebar (navegação lateral)
 * ─────────────────────────────────────────────────────────────────────────────
 * Estilos do .shell (grid geral), .side (coluna esquerda), e navegação interna.
 * Apenas para o layout legado de páginas que usam o shell (admin, schedule, etc.)
 */

/* ── Shell principal ─────────────────────────────────────────────────────── */

.shell {
    display: grid;
    grid-template-columns: 276px minmax(0, 1fr);
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.side {
    background:
        linear-gradient(180deg, rgba(215, 25, 32, .12), transparent 22%),
        linear-gradient(180deg, var(--brand-navy) 0%, #0a1020 55%, #070d1b 100%);
    box-shadow: 12px 0 34px rgba(11, 20, 40, .12);
    color: #fff;
    height: 100vh;
    padding: 26px 16px;
    position: sticky;
    top: 0;
}

/* ── Área do logo / brand ────────────────────────────────────────────────── */

.brand {
    display: grid;
    gap: 8px;
}

.side-brand {
    align-items: center;
    background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(241,245,249,.96));
    border: 1px solid rgba(255, 210, 31, .5);
    border-radius: var(--radius);
    box-shadow: 0 18px 34px rgba(0, 0, 0, .22), inset 0 0 0 1px rgba(255,255,255,.75);
    display: grid;
    gap: 8px;
    margin-bottom: 28px;
    overflow: hidden;
    padding: 16px 14px 12px;
    position: relative;
}

.side-brand::before {
    background: linear-gradient(90deg, var(--primary), var(--brand-yellow));
    content: '';
    height: 3px;
    inset: 0 0 auto;
    position: absolute;
}

.brand-logo {
    display: block;
    height: auto;
    object-fit: contain;
    width: min(100%, 160px);
}

.side-brand .brand-logo {
    filter: drop-shadow(0 6px 12px rgba(15,23,42,.14));
    justify-self: center;
}

.brand small {
    background: var(--brand-navy);
    border-left: 3px solid var(--brand-yellow);
    border-radius: 5px;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    justify-self: stretch;
    padding: 6px 10px;
    text-align: center;
}

/* ── Navegação ───────────────────────────────────────────────────────────── */

.nav {
    display: grid;
    gap: 6px;
}

.nav a,
.logout {
    align-items: center;
    background: transparent;
    border: 0;
    border-radius: var(--radius);
    color: rgba(255, 255, 255, .7);
    cursor: pointer;
    display: flex;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    gap: 10px;
    min-height: 44px;
    padding: 10px 12px;
    text-align: left;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
    width: 100%;
}

.nav a:hover,
.logout:hover {
    background: rgba(255, 255, 255, .09);
    color: #fff;
}

/* Link ativo */
.nav a.on {
    background: linear-gradient(90deg, rgba(215, 25, 32, .95), rgba(44, 64, 103, .82));
    box-shadow: 0 8px 20px rgba(215, 25, 32, .20);
    color: #fff;
}

/* ── Botão de logout ─────────────────────────────────────────────────────── */

.logout {
    color: rgba(255, 80, 80, .8);
}

.logout:hover {
    background: rgba(215, 25, 32, .15);
    color: #ff8080;
}